Sebastian Österberg
Developer & Partner at Codebrain
Kalmar County, Sweden
Summary
👤
Senior🎓
Top SchoolSebastian Österberg is a self-taught software developer and partner with 12 years of experience building JavaScript-driven web and mobile applications, currently leading front-end development efforts at Bethard Group and co-running Codebrain. He specializes in React and React Native, with deep full-stack JavaScript knowledge applied across the iGaming sector and multiple leadership roles including Head of Front End Development. Sebastian combines hands-on engineering with product-focused delivery, guiding teams from prototype to production while keeping a practical entrepreneurial lens from his partner roles. Based in Kalmar County, Sweden, he brings a track record of sustained ownership and cross-company collaboration that repeatedly turns complex UI challenges into reliable user experiences.
12 years of coding experience
9 years of employment as a software developer
Gymnasieexamen, Information Technology, Gymnasieexamen, Information Technology at John Bauergymnasiet
Swedish, English
Github Skills (20)
maxmind10
geoip-api10
geoip9
browser9
react9
api8
nextjs8
javascript8
nodejs7
typescript7
compiler7
hybrid6
static-site-generator6
ssg4
vercel4
Programming languages (4)
Github contributions (5)
ostseb/checkcrt
Apr 2020 - Aug 2024
Keep track of your certificates
Contributions:4 PRs, 6 pushes, 1 branch in 4 years 4 months
tlskeepcertificatescertificate
ostseb/togethergaming
Jan 2020 - Dec 2024
Contributions:40 pushes, 2 branches in 4 years 11 months
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